{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T10:00:34Z","timestamp":1790589634465,"version":"4.1.0"},"reference-count":50,"publisher":"SAGE Publications","issue":"7","license":[{"start":{"date-parts":[[2026,1,30]],"date-time":"2026-01-30T00:00:00Z","timestamp":1769731200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"},{"start":{"date-parts":[[2026,1,30]],"date-time":"2026-01-30T00:00:00Z","timestamp":1769731200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Global Spine Journal"],"published-print":{"date-parts":[[2026,9]]},"abstract":"<jats:sec>\n                    <jats:title>Study Design<\/jats:title>\n                    <jats:p>Retrospective cohort study.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>To compare 5-year clinical and radiographic outcomes between single-level Bryan and ProDisc-C cervical disc arthroplasty (CDA).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Patients undergoing single-level Bryan or ProDisc-C arthroplasty for cervical spondylosis radiculopathy and\/or myelopathy between March 2004 and August 2014 were enrolled. Clinical outcomes included Visual Analog Scales for arm\/neck pain (VAS-A\/N), Neck Disability Index (NDI), and modified Japanese Orthopedic Association (mJOA) scores. Radiographic evaluation included cervical lordosis, range of motion (ROM), functional spinal unit (FSU) height, cervical sagittal vertical axis (cSVA), T1 slope, heterotopic ossification (HO), and adjacent segment degeneration (ASD). Evaluations were performed preoperatively and postoperatively within 3\u00a0months, 1\u00a0year and 5\u00a0years.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Among 113 patients with 5-year follow-up (51 Bryan, 62 ProDisc-C), both groups showed significant improvements in VAS-N, VAS-A, NDI, and mJOA scores at all timepoints (all\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; .001). No significant intergroup differences were detected between the two cohorts at baseline (all\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &gt; .05). ROM and cervical alignment remained stable in both cohorts. Compared to Bryan arthroplasty, ProDisc-C demonstrated greater index-level segmental lordosis (4.3\u00b0 \u00b1 5.0\u00b0 vs 1.2\u00b0 \u00b1 4.7\u00b0;\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .001), more FSU height restoration (35.2 \u00b1 3.4\u00a0mm vs 32.9 \u00b1 3.6\u00a0mm;\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; .001), and less segmental kyphosis incidence (21.0% vs 39.2%;\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .032). However, ProDisc-C arthroplasty had higher rates of ASD (58.1% vs 37.3%;\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      = .028) and HO (67.7% vs 33.3%;\n                      <jats:italic toggle=\"yes\">P<\/jats:italic>\n                      &lt; .001).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Both prostheses achieved comparable 5-year clinical outcomes. ProDisc-C arthroplasty better maintained cervical sagittal alignment, whereas Bryan arthroplasty demonstrated lower ASD and HO incidence.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/21925682261421881","type":"journal-article","created":{"date-parts":[[2026,1,30]],"date-time":"2026-01-30T21:38:24Z","timestamp":1769809104000},"page":"3050-3062","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":2,"title":["Comparison of Clinical and Radiographic Outcomes Between Single-Level Bryan and ProDisc-C Cervical Disc Arthroplasty: A 5-year Follow-up Study"],"prefix":"10.1177","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0009-0004-4826-9807","authenticated-orcid":false,"given":"Dacheng","family":"Sang","sequence":"first","affiliation":[{"name":"Peking University Third Hospital"},{"name":"Peking University"},{"name":"Peking 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